i have other email address on my apple acc why how do i delete them

Hi, and Welcome to the Apple (user-to-user) Community.

Re: i have other emails on my apple account how do i delete them

You might want to edit the details in your Apple ID account online:

Here's the link to your Apple ID log-in:

https://appleid.apple.com

Learn more: About your Apple ID email addresses - Apple Support

Eg: says:

Delete an additional email address

1. 1. Sign in to appleid.apple.com.
   2. Select Personal Information, then select Reachable At.
   3. To delete one of your additional email addresses, click the Remove button  next to the address.

or

Delete a rescue email address

1. 1. Sign in to appleid.apple.com.
   2. Select Sign-In and Security.
   3. Select Rescue Email. You might be asked to answer one or more security questions or enter your Apple ID password before you continue.
   4. To delete a rescue email address, select Remove email, and select Remove to confirm.

More info. if needed:

The above article contains lots more info.

How to: Change your Apple ID

What to do: If you are asked to update your Apple ID email address - Apple Support

iCloud: About your @icloud.com, @me.com, and @mac.com email addresses - Apple Support

All the best :-)